| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.46 | 1.49 | -0.03 | 
| Feb | 1.74 | 1.74 | 0.00 | 
| Mar | 2.46 | 2.42 | 0.04 | 
| Apr | 3.66 | 3.65 | 0.01 | 
| May | 4.72 | 4.86 | -0.14 | 
| Jun | 4.99 | 4.76 | 0.23 | 
| Jul | 4.04 | 4.09 | -0.05 | 
| Aug | 3.86 | 3.85 | 0.01 | 
| Sep | 3.57 | 3.50 | 0.07 | 
| Oct | 2.81 | 2.78 | 0.03 | 
| Nov | 2.29 | 2.25 | 0.04 | 
| Dec | 1.92 | 1.94 | -0.02 | 
| 37.52 | 37.33 | 0.19 |